Marathon Motors 4731 Fan and Blower Motor 1/3 HP

Product Description

The Marathon Motors 4731 is a belt drive fan and blower motor with a power output of 1/3 horsepower and a speed of 1725 RPM. It is suitable for replacing various NEMA 48 and 56 frame belt drive furnace blower motors. Operating at 115 volts, this motor features a split phase design, making it ideal for HVAC and industrial ventilation applications.

• Automatic thermal protection included
• Rotation can be reversed
• Mounting with resilient ring

Product Highlights

This product is designed for reliable performance in heating and cooling systems.

Product Information

Standard Information

• Brand: Marathon Motors
• Catalog Number: 4731

Technical Specifications

• Electrical Type: Split Phase
• Horsepower: 1/3
• Speed: 1725 RPM
• Frame: 48Y
• Diameter: 5.6 inches
• Enclosure: ODP
• Phase: Single
• Voltage: 115 V
• Rotation: Reversible
• Overload: Auto
• Material: Rolled Steel
• Mounting: Resilient Ring
• Amperage: 5.8 amps
• Shaft Type: Single
• Application: Furnace Blower
• Output: 0.25 kW
• Service Factor: 1.35
• Efficiency: 57.4 %
• Ambient Temperature: 40 °C
• Frequency: 60 Hz
• Duty: Continuous
• Insulation Class: B
• KVA Code: S
• Drive End Bearing Size: 6203
• UL Recognized: Yes
• Number of Speeds: 1
• Enclosure Type: Drip Proof
• Shaft Diameter: 1/2 inch
• Shaft Extension: 1.5 inches
• Motor Orientation: Any
• Max Ambient: 40 °C
• Bearings: Ball Bearings
• Reversible: Yes
• Type of Overload Protector: AUTO